Sanitary napkin



FIG. 1 is a perspective view of the sanitary napkin, embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a top plan view.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

One of the side views and bottom view are omitted because side views are identical to each other, and a bottom view is identical to a top plan view. 

CLAIM The ornamental design for a sanitary napkin, as shown and described. 